TD524A VITD 36/800-18.4A
- Product Description
- Clients can avail from us Vacuum Interrupter For Circuit Breaker that is fabricated from quality materials. The Vacuum Interrupter For Circuit Breaker is designed as per the industry set norms and conforms to the international quality standards. We are a reputed Vacuum Interrupter For Circuit Breaker Exporter & Supplier in Utter Pradesh (India).
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| Rated Frequency | 50/60Hz |
| Rated Maximum Line to Line Voltage | 36/40.5kV,r.m.s |
| Rated Power Frequency Withstand Voltage : Air | 70/95kV,r.m.s |
| Rated Impulse Withstand Voltage : Air | 170/185kV,Peak |
| Rated Normal Current | 800A |
| Rated Short- Circuit Current ( 3 Phase Symmetrical Basis) | ≤20Micro ohms |
| Percentage D.C. Component of Rated S.C. Breaking Current | 18.4kA,r.m.s |
| Rated Short-Circuit Making Current | 18.4kA,r.m.s |
| Rated Duration of Short Time Current | 4s |
| Rated Short-Time Withstand Current | 46kA,r.m.s |
| Rated Peak Withstand Current | 46kA,r.m.s |
| *Maximum Contact Resistance at Minimum Closing Force | 40.00% |
| *Rated Breaking Current of Single Capacitor Bank | 630A,r.m.s |
| *Rated Breaking Current of Back-to-Back Capacitor Bank | 400A,r.m.s |
| Rated operating sequence | O-0.3(0.5)s-CO- 180s-CO |
| Interrupter Weight (Approx.) | 4.08kg |
| Moving Part Weight (Approx.) | 2.1kg |
| Closing Force due to Bellow and Atmospheric | 170±40N |
| Force Required to Hold Contacts open at Full Stroke | 320±50N |
| Clearance between open contacts | 16±1mm |
| Average opening speed(average of first 75% of contact gap) | 1.5±0.3m/Sec |
| Average closing speed(average of last 30% of contact gap) | 1.1±0.2m/Sec |
| Rated added external contact final force | 2000±200N |
| Contact bouncing duration at closing operation | ≤2ms |
| Closing and Opening non-simultaneity of three-phase Contacts | ≤2ms |
| Maximum Rebound during opening | ≤2m |
| Clearance between open contacts | ≤2m |
| Electrical Life at Rated Normal Current | 20,000 Operations |
| Electrical Life at Rated Short Circuit Current | 50 Operations |
| Mechanical Life | 30,000 Operations |
| Contact Erosion Limit | 3mm |
| Shelf Life | 20Years |
Note
- Meets or exceeds the electrical endurance requirements of class E2 for autoreclosing duty per IEC 62271-200 and JB 8738-2008.
- * Rated Characteristics to be given on request.
